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	param	t-stat
$ω$	0.0922	10.80
$α$	0.0749	29.33
$β$	0.9251	411.35
$γ$	0.0586	3.19
$δ$	1.6366	27.49

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China Gas Holdings Ltd APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:26.51% (-0.50%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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